Collaboration in science is important because if only one scientist does an experiment, and gets a result, he/she could have messed. So this is where collaboration comes in. A few other scientists could try the experiment, and if they get the same answers, the result may be proven correct.
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1. It’s true
4 ,7 ,8 is correct
Answer:
it is very hard question for me sorry i cant solve it
It's either 3 or 4 I know this becuase I have read a book about electricity